Description
IL-4, human recombinant is available at Gentaur for Next week delivery.
A key regulator in humoral and adaptive immunity
Biomolecule/Target: IL-4
Alternates names: BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.
Synonyms: BCGF, BCDF, B cell stimulating factor, BSF-1, Lymphocyte stimulatory factor 1, IL-4, MGC79402, Binetrakin, Pitrakinra.
Background Information: IL-4 is a potent lymphoid cell growth factor that stimulates the growth and survivability of certain B cells and T cells. Human IL-4 is a 15.0 kDa globular protein containing 130 amino acid residues.
Reconstitution Instructions: Reconstitute in H₂O to a concentration of 0.1-1.0 mg/ml. The solution can then be diluted into other aqueous buffers and stored at 4°C for 1 week or –20°C for future use.
NCBI Gene Symbol: IL4
Gene ID: 3565
NCBI Accession: P05112
Additional Information
Size: |
50 μg |
Country of Manufacturing Origin: |
USA |
Country of Animal Origin: |
USA |
Gene Source: |
Human |
Recombinant: |
Yes |
Source: |
E. coli |
Purity by SDS-PAGE: |
≥98% |
Assay: |
SDS-PAGE |
Purity: |
≥98% |
Assay 2: |
HPLC |
Endotoxin Level: |
<0.1 ng/μg |
Activity (Specifications/test method): |
N/A |
Biological activity: |
The ED₅₀ as determined by the dose-dependent stimulation of human TF-1 cells is <0.2 ng/ml, corresponding to a specific activity of >5 x 10⁶ units/mg. |
Results: |
<0.2 ng/ml |
Molecular Weight: |
15.0 kDa |
Storage Temperature: |
-20°C |
Shelf Life: |
12 months |
Concentration: |
N/A |
Appearance: |
Lyophilized protein |
Handling: |
Centrifuge the vial prior to opening. |